Finding the Fourth Proportional to 2,013,717.20, 3,022,228.20 and 1,997,970.80
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Solution
The fourth proportional to 2,013,717.20, 3,022,228.20 and 1,997,970.80 is: 2,998,595.68
Step by Step Solution
- Step 1: Write the proportion equation
2,013,717.20 : 3,022,228.20 = 1,997,970.80 : x - Step 2: Convert to fraction form
2,013,717.20/3,022,228.20 = 1,997,970.80/x - Step 3: Cross multiply
2,013,717.20x = 3,022,228.20 × 1,997,970.80 - Step 4: Simplify right side
2,013,717.20x = 6,038,323,694,536.56 - Step 5: Solve for x
x = 6,038,323,694,536.56/2,013,717.20 - Step 6: Final answer
x = 2,998,595.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.